Type 1+2+3 combined lightning current and surge arresters - FLT-MB-T1-264/12.5-3+1-UT
1380661

Spark gap-based non-pluggable lightning current arrester / surge protective device free of leakage current for 3-phase power supply networks with separate N and PE (5-conductor system: L1, L2, L3, N, PE), for use in the unmetered area, for lightning protection levels III and IV.


Product Details




IEC test classification T1 + T2 + T3
I + II + III
T1 + T2 + T3
EN type T1 + T2 + T3
Product type Combination type
Number of positions 4
Surge protection fault message optical
Insulation characteristics
Overvoltage category IV
Pollution degree 2

Nominal frequency fN 50 Hz (60 Hz)

Connection method Screw connection
Screw thread M5
Tightening torque 3 Nm (2,5 mm² ... 16 mm²)
4.5 Nm (25 mm² ... 35 mm²)
Stripping length 18 mm
Conductor cross section flexible 2.5 mm² ... 25 mm²
Conductor cross section solid 2.5 mm² ... 35 mm²
Conductor cross section AWG 13 ... 2
Connection method Fork-type cable lug
Conductor cross section flexible 2.5 mm² ... 25 mm²

Dimensional drawing
Width 72 mm
Height 89.8 mm
Depth 76.6 mm (incl. DIN rail 7.5 mm)
Horizontal pitch 4 Div.

Color light grey RAL 7035
Flammability rating according to UL 94 V-0
CTI value of material 600
Insulating material PBT
Material group I
Housing material PBT

Mechanical data
Open side panel No

Mode of protection L-N
L-PE
N-PE
Nominal voltage UN 240/415 V AC (TN-S)
240/415 V AC (TT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 264 V AC
Rated load current IL 80 A (< 55 °C)
Residual current IPE ≤ 0.01 mA
Nominal discharge current In (8/20) µs (L-N) 12.5 kA
Nominal discharge current In (8/20) µs (L-PE) 12.5 kA
Nominal discharge current In (8/20) µs (N-PE) 50 kA
Combination wave UOC 6 kV
Impulse discharge current (10/350) µs (L-N), charge 6.25 As
Impulse discharge current (10/350) µs (L-N), specific energy 39 kJ/Ω
Impulse discharge current (10/350) µs (L-N), peak current value Iimp 12.5 kA
Impulse discharge current (10/350) µs (L-PE), charge 6.25 As
Impulse discharge current (10/350) µs (L-PE), specific energy 39 kJ/Ω
Impulse discharge current (10/350) µs (L-PE), peak current value Iimp 12.5 kA
Impulse discharge current (10/350) µs (N-PE), charge 25 As
Impulse discharge current (10/350) µs (N-PE), specific energy 625 kJ/Ω
Impulse discharge current (10/350) µs (N-PE), peak current value Iimp 50 kA
Total discharge current Itotal (10/350) µs 50 kA
Follow current quenching capacity Ifi (L-N) 25 kA
Follow current interrupt rating Ifi (N-PE) 100 A
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up (L-N) ≤ 1.5 kV
Voltage protection level Up (L-PE) ≤ 2.5 kV
Voltage protection level Up (N-PE) ≤ 1.5 kV
Residual voltage Ures (L-N) ≤ 1.5 kV (at In)
Residual voltage Ures (L-PE) ≤ 2.5 kV (at In)
Residual voltage Ures (N-PE) ≤ 1.5 kV (at In)
TOV behavior at UT (L-N) 457 V AC (5 s / withstand mode)
457 V AC (120 min / withstand mode)
TOV behavior at UT (N-PE) 1200 V AC (200 ms / withstand mode)
Response time tA ≤ 100 ns
Max. backup fuse with V-type through wiring 80 A (gG)
Max. backup fuse with branch wiring 160 A (gG)

Ambient conditions
Degree of protection IP20 (Installed)
Ambient temperature (operation) -40 °C ... 85 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C
Altitude ≤ 5000 m
Permissible humidity (operation) 5 % ... 95 %
Shock (operation) 2g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z)
Vibration (operation) 0,5g (9 … 200 Hz / 2.5 h / X, Y, Z)

Standards/specifications IEC 61643-11
Standards/specifications EN 61643-11

Mounting type DIN rail: 35 mm

Item number 1380661
Packing unit 1 pc
Minimum order quantity 1 pc
Product Key CL11D1
GTIN 4063151752361
Weight per Piece (including packing) 222.222 g
Weight per Piece (excluding packing) 222.222 g

ECLASS

ECLASS-9.0 27130805
ECLASS-10.0.1 27130805
ECLASS-11.0 27130805

ETIM

ETIM 8.0 EC000941

UNSPSC

UNSPSC 21.0 39121600